If you are attempting to migrate a project between environments through application designer you might get a message saying:

Target Operator ID has 'No Access' to Upgrade. (62,14)

In the explain text, it states that:

In order to access the target database, your target Operator ID must have 'Full Access' to Upgrade. This setting can be changed in the target database by launching Security Administrator and editing the APPLICATION_DESIGNER menu item.

So it sounds like a security issue, but what's missing?

Start by querying the PSAUTHITEM record for the menu suggested - APPLICATION_DESIGNER: